Whois Ping DNS Zone Traceroute Host
 
Reverse IP RBL Check AS Info Services

jyb.cn.			30 IN SOA ns.jyb.cn. postmaster.jyb.cn. (
				2024082901 ; serial
				28800      ; refresh (8 hours)
				7200       ; retry (2 hours)
				604800     ; expire (1 week)
				3600       ; minimum (1 hour)
				)

jyb.cn.			30 IN TXT "v=spf1 include:spf.mail.qq.com ~all"

Mail exchangers:
jyb.cn.			30 IN MX 10 mxbiz2.qq.com.
jyb.cn.			30 IN MX 5 mxbiz1.qq.com.

Name servers:
jyb.cn.			30 IN NS ns1.jyb.com.cn.
jyb.cn.			30 IN NS ns2.jyb.com.cn.

        
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